脉冲光源

A CO2 laser was employed to ablate water droplets provided by a pulsed liquid propellant feeding system. Experimental results indicate that momentum coupling coefficient C is increased to 50×10^(-5)N?

在成功研制液体工质注入系统的基础上，以脉冲式CO2激光器为光源，将雾化水滴用作工质，进行了激光推进性能实验测试研究。

An Nd:YAG Q-switched laser operating at a wavelength of 266 nm, a pulse duration less than 10 ns, and a repetition rate of 10 Hz, was used to ablate a ZnO target of 99.9% purity.

所使用的光源为Nd：YAG Q-switched雷射，其波长为266 nm、脉冲宽度小於10 ns、重覆频率10 Hz；使用的靶材为纯度99.9％的氧化锌。

The common equation of the evolution of spectrum caused by selfphase modulationis presented, which is the convolution of action spectrum and chirped spectrum caused by selfphase modulation when carrier frequency is single.

给出了由自相位调制引起的频谱演变的普遍表示，即单载频脉冲的SPM引起的啁啾频谱与光源的频谱的卷积，通过数值计算给出从相干脉冲到非相干脉冲的频谱演变规律。

Methods A self made cumulative illuminometer via pulse counting method was used for measuring cumulative illuminance of daylight to investige the photodegradation of Hydrocortisone injection in various lamp light and daylight; the equivalent influences of different light sources on the photostability of the injection were obtained,and the shelf-life in indoor daylight of the drug was predicted.

方法采用自制的光量累积仪，用脉冲计数法对自然光进行累积计量，研究氢化可的松注射液在灯光及自然光照射下的含量变化规律；探讨不同光源对该药物稳定性的影响；并预测该药物在室内自然光照射下的贮存期。

We also designed the timing circuit board to driver the MOSET and the network control system based on the probably fill mode in the future and the RF system of the storage ring in HLS. The high reverse overshoot exists in the current pulse with the pulse width of 60 ns. Further study is necessary to eliminate the reverse overshoot and to search the proper techniques on modulability of light pulse interval in HLS.

根据未来光源储存环可能的填充模式，以及光源储存环高频系统的特性，设计了MOSET开关驱动控制系统的时钟试验电路，和以太网控制试验电路，即将投入加工。60ns脉宽的脉冲电流，存在较大的反向过冲，需要进一步研究合适的反峰削除技术，以及可用于光源脉冲可调性的合适技术。

The ASM fiber laser generates 1.8 picosecond pulses with 14 mW average power at 1 GHz repetition rate.

此系统的第一级光源为一功率为14 mW、脉冲宽度为 1.8 ps、重复率为 1 GHz 的脉冲序列。

An oxygen-bubble and white-light speckle velocimetry method is presented.Instead ofpulsed laser and commonly used particle,a sheet like-bubble mass generated from anade wire byeletrolysing water is used as particle tracer,a white light flash set controlled by digital time delaycircuit is used as double pulsed light source,and 2-D velocity distribution in a sectional planewithin flow field can be obtained without using light sheet technique.

提出了一种氧气泡粒子白光散斑测速技术，与以往散斑测速方法不同的是，采用电解水时电解阳极丝上产生的氧气泡做为流场示踪粒子，用两个闪光时间间隔由数字延时电路控制的普通闪光灯做为散斑底片拍摄时的双脉冲光源，并且勿需片光技术，即可获得流场内部一个截面上的二维速度分布。

By this method, the question of the high quality pulse shape demended from the 3D imaging system with supper-resolution depth mapping is raveled out.

解决了原有超测距分辨率脉冲光源三维成像系统对光脉冲要求极高的问题。

Flow image velocimetry ; microlight image intensifier ; synchronous pulse illumination ; vortex flow

同步脉冲光源；流动图像测速；微光像增强；旋涡流场

Mouse" standard name should be "mouse", Its English name "Mouse", name:"rubber ball round transmission of the grating with light-emitting diode and phototransistor of wafer pulse signal converter" or "spot of infrared radiation scattering particles with light-emitting semiconductor and photoelectric sensors, sensor signal of the light pulse.

鼠标&的标准称呼应该是&鼠标器&，英文名&Mouse&，全称：&橡胶球传动之光栅轮带发光二极管及光敏三极管之晶元脉冲信号转换器&或&红外线散射之光斑照射粒子带发光半导体及光电感应器之光源脉冲信号传感器。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。